SKU: 40217598375

Type RS Valve - Atmospheric

Sale price$157.50 Regular price$175.00
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Description

Type RS Valve - AtmosphericWe recommend servicing your valve every 3 years, or 20,000 miles, whichever comes sooner The Forge RS valve has been specifically designed and engineered to offer extreme flow rate capability, where other valves are just not up to it. Often when engines have been tuned by installing larger turbos or even software upgrades improved turbo response can be acheived by fitting the RS valve which has the greater internal mass air flow specification

We recommend servicing your valve every 3 years, or 20,000 miles, whichever comes sooner

The Forge RS valve has been specifically designed and engineered to offer extreme flow rate capability, where other valves are just not up to it. Often when engines have been tuned by installing larger turbos or even software upgrades improved turbo response can be acheived by fitting the RS valve which has the greater internal mass air flow specification utilising an amazing 50mm (2") bore.

For fine tuning there is a variable spring preload incorporated and a ratchet type top adjuster that will allow for the positive and precise adjustment that your driving style demands. To ease installation a 360 degree adjustable vacuum hose connector. With a choice of inlet and outlet connections the RS valve can be matched to your engine perfectly. This valve incorporates a unique conical, progressive rate spring that can allow for the retention of boost pressure from 7 to 22 PSI depending on the individual user's application and level of adjustment.

If you are intending on running over 22psi then you will need the uprated spring which is included with the kit. This unique spring design will also allow for unrestricted piston travel and flow volume regardless of the amount of pre-load adjustment added to the spring. Other manufacturers valves using cylindrical springs with adjustable pre-load often experience restricted piston travel and flow volume within the normal range of valve adjustment.

Please note: When configured as a Dual- Piston Atmospheric Valve; All Forge Motorsport Dual- Piston Atmospheric Valves have been designed and built with the intent of venting 100% of the residual charge air remaining in your forced induction system to the atmosphere at throttle lift. While we have incorporated many elements into the design of the Dual-Piston valves to aid in their compatibility with mass air-flow sensor equipped vehicles, we cannot always guarantee that each individual’s application will be compatible with a valve that vents the charge air into the atmosphere.

Forge Motorsport nor any of it’s Authorized Distributors can assume any responsibility for any adverse effects resulting from the installation of this valve onto a vehicle whose engine-management- system, whether factory or aftermarket, is not capable of compensating for the loss of metered air through a vent-to-atmosphere valve such as this.

Please specify valve finish and hose connector diameter

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SKU: 40217598375

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4.3 ★★★★★
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Verified Purchase
Jonathan Clarke
Louisville, US
★★★★★ 5
fun
Format: Kindle
Fischer was an international billionaire who walked away from it all and met truck-kun. Now he’s in a tropical paradise with a unpowered System, and living his best life as a fisherman. He befriends many people and begins awakening people and animals as cultivators without trying to. Some see him as a hurdle to be removed, but his new friends deal with it without bothering him. In the end Fischer has the friends he’s always wanted and a love interest. This is a good swift, king, slice of life story. There’s loads of humor, great pacing, wonderful narrator, and an interesting world. It reminds me of “Beware of Chicken” in its wholesomeness and enjoyability. I’ve already gone to the next in the series! Please enjoy
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 22, 2024
D
Verified Purchase
Declan Beattie
Grantham, US
★★★★★ 5
Just a dude chillin’, fishin’, and making the most of life.
Format: Kindle
If you want a book that makes you wanna grab a fishing rod and just take it easy, this is the one for you. It’s got some elements of progression/cultivation, but this is first and foremost about fishing and friendship. The author puts so much detail into the eating and cooking of the fish on here, it almost made me forget I don’t like the taste of fish!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 2, 2026
K
Verified Purchase
Kindle Customer
Port Orchard, US
★★★★★ 5
G'day mate!
Format: Kindle
I frequently heard this was good, but it's taken me a long time to get around to checking it out for myself. Happy to say the testimonials didn't disappoint. If a book could give you the feeling of a lazy day on a pontoon boat casually casting over the side and drinking some spiked lemonade while the radio plays... This is probably as close as it gets. Humorous premise, entertaining characters, cozy moments.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 23, 2026
D
Verified Purchase
Dan Nanto
Boise, US
★★★★★ 5
I loved this book!
Format: Kindle
I have to admit that I am not a fisherman. My memories of fishing with my father mainly consist of him, getting frustrated with me as I threw rocks into the lake near his pole. However, I recognized the intense love of fishing from my dad reflected in the main character of this book. Mr. Jobson has done an incredible job of writing a story that has many twists and turns, is engaging and entertaining, and is a surprising breath of fresh air. Absolutely loved it! Would recommend to anyone looking for a positive literary escape.
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Reviewed in the United States on June 1, 2025
A
Verified Purchase
Amazon Customer
Chelsea, US
★★★★★ 4
Good read…
Format: Kindle
I liked the book. But, I didn’t like the romance aspect of it. Felt somewhat forced. The last 10% or so was a slog to get through. I don’t like feeling like you can’t wait for something to be over. I would have skipped but it was the last chapters of the book and it felt a bit lazy; it wasn’t as if I didn’t want to know what happened… I can’t explain it. I’m not at all sure I’ll continue the series. Do I recommend it? Yeah, I guess I do. It’s not a bad book and I’m sure a lot of people would really like it. I liked it too, just not at the end.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 29, 2026

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